The annual salaries of all employees at a financial company are normally distributed with a mean = $34,000 and a standard deviation = $4,000. What is the z-score of a company employee who makes an annual salary of $28,000?

Question

The annual salaries of all employees at a financial company are normally distributed with a mean  = $34,000 and a standard deviation  = $4,000. What is the z-score of a company employee who makes an annual salary of $28,000?

Steve · Answer

34-28 = 6 so, it is 1.5 std away from the mean. That should help if you know anything about the Z table.